1,000 (8)
I believe the answer is:
thousand
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">1000</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for thousand that I've seen before include "See 1 down" , "cube" , "Roman numeral M" , "Cardinal" , "in MCC, but missing double century" .)